--- title: KnowBe4 Cloud Email Security (Formerly Egress) Reviews meta\_title: 'KnowBe4 Cloud Email Security (Formerly Egress) Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 74 reviews by the users' company size, role or industry to find out how KnowBe4 Cloud Email Security (Formerly Egress) works for a business like yours. aggregate\_rating: rating\_value: 4.5 review\_count: 74 scale: '5' date\_modified: '2026-08-18' parent\_category: name: Email Security url: https://www.g2.com/categories/email-security --- # KnowBe4 Cloud Email Security (Formerly Egress) Reviews & Product Details Visit Website KnowBe4 Cloud Email Security is a comprehensive AI-powered email protection platform that defends against sophisticated inbound and outbound email threats, transforming email from organizations' largest attack surface into a strengthened defense layer. Designed for businesses of all sizes—particularly those in regulated industries handling sensitive information—this platform addresses the critical challenge of insider risk and human error, which account for 68% of data breaches. The platform delivers three integrated solutions: Defend™ provides AI-powered adaptive anti-phishing that detects business email compromise, spear phishing, and zero-day attacks while educating users with real-time contextual warning banners. Prevent™ offers AI-native outbound email security preventing data breaches by detecting misdirected emails, data exfiltration attempts, and unauthorized sharing. Protect™ delivers end-to-end email encryption seamlessly integrated into Outlook with automated policy enforcement. Key Capabilities: - Minutes-to-deploy with native Microsoft 365 integration - Patented contextual machine learning adapting to organizational communication patterns - Comprehensive analytics revealing organizations typically miss 90% of outbound security incidents - API integrations with existing security infrastructure Part of the KnowBe4 platform, Cloud Email Security transforms employees from vulnerabilities into informed cybersecurity assets through proactive threat management. * * * Product Website KnowBe4 Cloud Email Security (Formerly Egress) Seller [KnowBe4, Inc.](https://www.g2.com/sellers/knowbe4-inc) Discussions [KnowBe4 Cloud Email Security (Formerly Egress) Community](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/discuss) Languages Supported English Solution Type All-in-One Overview by Marissa Marcos ![HP-UX](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "HP-UX") Used by HP-UX and 2 others ##### Featured Companies [ ![HP-UX](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "HP-UX") HP-UX](https://www.g2.com/products/hp-ux/reviews)[ ![HPE 3PAR](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "HPE 3PAR") HPE 3PAR](https://www.g2.com/products/hpe-3par/reviews)[ ![HP Enterprise Consulting](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "HP Enterprise Consulting") HP Enterprise Consulting](https://www.g2.com/products/hp-enterprise-consulting/reviews) Beta Show More ## Pricing Pricing provided by KnowBe4 Cloud Email.... ### Defend 25-50 Seats $5.30 25 Seat Per Month [ View More Pricing Information ](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/pricing) KnowBe4, Inc. Solutions (1) See how KnowBe4, Inc. products can work together to solve real problems. [ ![Solution Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Solution Avatar Image") Build a stronger human firewall SolutionBy KnowBe4, Inc. ](/sellers/knowbe4-inc/solutions/build-a-stronger-human-firewall) Show More ## KnowBe4 Cloud Email Security (Formerly Egress) Integrations (1) What do users say about integrations? Verified by KnowBe4 Cloud Email Security (Formerly Egress) JM Jordan M. Senior IT Engineer Medical Devices Mid-Market (51-1000 emp.) 4/28/2026 "Helpful Investigation UI, But Too Many Emails Slip Through the Filter" 2/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? Very helpful user interface for investigations into suspect emails. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? Many problematic emails make it through the filter compared to other systems. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? Email filter to catch suspect emails, and helpful tools for investigating emails that have been reported to us. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic RR Ricky R. 11/19/2025 "Effortlessly Improves Email Security with Intuitive Features" 4.5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? I appreciate using KnowBe4 Cloud Email Security (Formerly Egress) because it effectively protects employees from both inbound and outbound email threats and aids in human risk mitigation. I value its capability to reduce risks associated with phishing, accidental disclosure, and providing insights about the riskiest users. The banners are a standout feature, automatically adding visual cues based on risk levels, which help users notice them easily and stay informed about potential threats. Additionally, it efficiently filters out unwanted spam and 'Graymail,' which reduces the noise in our inboxes significantly. The software integrates seamlessly with Microsoft 365, and the initial setup was very easy, with the implementation team making the onboarding process one of the smoothest I have ever experienced. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? The reporting could be better. I get a great dashboard but would love the ability to make custom reports much like my KnowBe4 phishing awareness portal. I would also like for PhishER and the Abuse mailbox to be merged. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? I use KnowBe4 Cloud Email Security to protect against email threats, reduce phishing risk, filter spam, and highlight risky users with banners, enhancing security and risk awareness. Review collected by and hosted on G2.com. Show More Response from Isa Munoz of KnowBe4 Cloud Email... [Editedit](https://www.g2.com/survey_responses/knowbe4-cloud-email-security-formerly-egress-review-11979285/official_response/edit) Thank you for your wonderful feedback on our threat protection capabilities and seamless Microsoft 365 integration, Ricky! We're thrilled to hear that our implementation team delivered such a smooth onboarding experience. We appreciate your suggestions about enhanced custom reporting and PhishER integration with the Abuse mailbox. Your input helps us understand how to better unify the admin experience across our security ecosystem. Validated ReviewerIncentivizedSource: Seller invite ![Philip P.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Philip P.") PP Philip P. Information Systems Manager Small-Business (50 or fewer emp.) 10/22/2025 "Outstanding Email Security with Smart Tagging and URL Protection" 4.5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? How it manages email security at the user-level, the email tags that clearly tell the recipient what the risk of the email is and gives an opportunity to educate the recipient by clicking on the tag, and the "bublewrapping of URLs" that actively checks all links at the time of receipt and time of click to ensure it is going to a trusted location. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? Honestly, so far we have been very happy with the product, and I look forward to it getting more integrated with PhishER+ and other KB4 Security tools. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? Securing Email at the end-user level, through active ML/AI that learns patterns and catches phishing emails that other vendors have a hard time with. It also serves as an additional layer of end-user education on data awarness through the smart tags that users can click on and gain more insight. It also keeps all URLs protected, so no URL re-directs can successfully bypass these checks. Regardless of URL the landing point is always checked at time of click and protected if required. Review collected by and hosted on G2.com. Show More Response from Isa Munoz of KnowBe4 Cloud Email... [Editedit](https://www.g2.com/survey_responses/knowbe4-cloud-email-security-formerly-egress-review-11847822/official_response/edit) Thank you for this excellent review and for highlighting the educational value of our smart tagging and real-time URL protection! We're happy to hear how effectively our AI/ML is catching sophisticated threats and providing that crucial extra layer of user awareness. We share your excitement about deeper integration across the KnowBe4 ecosystem, and we're actively working to create an even more unified security experience for our customers. Validated ReviewerIncentivizedSource: Seller invite ![Steven K.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Steven K.") SK Steven K. Technical Support Analyst Mid-Market (51-1000 emp.) 10/22/2025 "Great Email Security, but Dashboard UI Needs Improvement" 5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? Egress is able to add the links into all of our emails to warn our staff about external email, suspicious mail, phishing emails, etc. It alleviates concerns from my end regarding end user mail. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? The rebranding itself was a little confusing to navigate and the UI of the dashboard leaves a bit to be desired for myself since I don't live within it very often. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? It's helping me solve user mail reporting, scams, phishing attempts, etc. As now all of our mail comes stamped with a heading that lets my user make their own informed decision before even opening the item. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: Seller invite SH Stewart H. IT Manager Mid-Market (51-1000 emp.) 10/28/2025 "Great visibility and Efficient Bulk Remediation," 5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? Great visibility into the email traffic. I also like the ability to easily see similar malicious emails and remediate them in bulk. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? at times it would be nice if dangerous emails could be remediated from the list instead of opening them. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? We needed a system to help combat malicious emails and 365 can not get it done on its own. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: Seller invite ![Scott J.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Scott J.") SJ Scott J. Vice President of Information Technology Mid-Market (51-1000 emp.) 10/14/2025 "Smart Banners and Graymail Are Game Changers, but Phish Blocking Needs Improvement" 5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? The smart banners and graymail have been a true game changer for our company. We have cleaned up inboxes of clutter and allowed our people to focus on important email. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? I would like it to be a little more forceful in its blocking of phish emails when they are reported. We do also still have the occasional emails make it through all the filters that is obviously malicious. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? It helps to block phishing attacks. With Graymail folders and segregation, it also help productivity. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: Seller invite DS Duncan S. IT Applications Manager Mid-Market (51-1000 emp.) 7/14/2025 "Excellent product" 5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? The administration console is well arranged and gives a clear overview of what malicious emails have been processed. Installation was straightforward and support steered us through configuration. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? It's easy to allow it to simply do its job and become less alert to threats because they are blocked. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? Reduces the risks of incoming emails. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: Seller invite ![Verified User in Legal Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Legal Services") EL Verified User in Legal Services Mid-Market (51-1000 emp.) 5/13/2025 "Egress has been a great replacement for Mimecast!" 5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? Egress engineers made this deployment go very smoothly, there are almost too many positives to list but the most important pieces of Phishing and Ransomware detection have caught attacks that our former vendor and Microsoft Online protection have not caught in the past. The DLP feature has been great and has stopped multiple misdirected emails one of which could have been very harmful. The users love the Graymail folder and it really helps keep inboxes free of newsletters and solicited emails which has definitely enhanced productivity. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? The only enhancement request I would have is that when you mark something as "not graymail" it would move the message into the users inbox. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? It protects against human error and greatly reduces the probability of a data breach which is invaluable. Review collected by and hosted on G2.com. Show More Response from Isa Munoz of KnowBe4 Cloud Email... [Editedit](https://www.g2.com/survey_responses/knowbe4-cloud-email-security-formerly-egress-review-11160556/official_response/edit) Thank you for sharing such a comprehensive review of Cloud Email Security! We're thrilled to hear about your smooth deployment experience and how our advanced detection capabilities are catching threats that other solutions missed. I'll share your suggestion about the Graymail folder functionality with our team. Thank you for being a valued KnowBe4 customer! Validated ReviewerIncentivizedSource: Seller invite ![Verified User in Utilities](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Utilities") AU Verified User in Utilities Mid-Market (51-1000 emp.) 10/22/2025 "User-Friendly Interface, But Support Could Be More Hands-On" 4.5/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? It is easy to navigate and use for not high tech personel. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? Sometimes support is difficult. Technicians do not want to connect to fix issues they like just email updates/ questions. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? helping with user education Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: Seller invite NJ Nathan J. Head of Infrastructure and Networks Mid-Market (51-1000 emp.) 7/15/2024 "Egress as an Intelligent Data Loss Protection Solution" 4/5 What do you like best about KnowBe4 Cloud Email Security (Formerly Egress)? Onboarding very simple, support has been great throughout the process. Easy to install in both Outlook and Office 365. Does not generate a lot of noise for the end user. Good variety of rules that can be set up and customised via Egress technicians. Review collected by and hosted on G2.com. What do you dislike about KnowBe4 Cloud Email Security (Formerly Egress)? Lack of reporting and alerting. Some features were not as described duing sales process. Long ongoing implementation of solution unexpected. Review collected by and hosted on G2.com. What problems is KnowBe4 Cloud Email Security (Formerly Egress) solving and how is that benefiting you? Egress Prevent is helping us to reduce the amount of data loss and incorrect emails sent out of our business. Users are notified when they potentially misdirect emails allowing them to review their decision before the email is delivered. It is helping us reduce the amount of mistakes made when sending emails to large groups or containing attachments. It is fully automated which allows IT to have minimal involvement in the day to day usage of the platform. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Seller invite ## Questions about KnowBe4 Cloud Email Security (Formerly Egress)? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about KnowBe4 Cloud Email Security (Formerly Egress) ](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/discussions/new) GU Guest User What is Egress Intelligent Email Security used for? 0 Upvotes 0 [ Join the conversation ](https://www.g2.com/discussions/what-is-egress-intelligent-email-security-used-for) [ View all Discussions ](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/discuss) ## Pricing Options Pricing provided by KnowBe4 Cloud Email.... ### Defend 25-50 Seats $5.30 25 Seat Per Month ### Defend 51-100 Seats $4.90 51 Seats Per Month ### Defend 101-500 Seats $4.60 101 Seats [ View More Pricing Information ](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/pricing) KnowBe4 Cloud Email Security (Formerly Egress) Comparisons ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_bc9c82db6b8fbc86566d8d997b2c9413/mimecast-advanced-email-security.jpg "Product Avatar Image") Mimecast Advanced Email... 4.4/5(353) [ Compare Now ](https://www.g2.com/compare/knowbe4-cloud-email-security-formerly-egress-vs-mimecast-advanced-email-security) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_f9b90f9d8d4e2cbdf787403ec274b32f/proofpoint-core-email-protection.jpg "Product Avatar Image") Proofpoint Core Email... 4.6/5(601) [ Compare Now ](https://www.g2.com/compare/knowbe4-cloud-email-security-formerly-egress-vs-proofpoint-core-email-protection) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_7ef36b7a6379c2513637fff86d0936b7/abnormal-ai.png "Product Avatar Image") Abnormal AI 4.8/5(86) [ Compare Now ](https://www.g2.com/compare/abnormal-ai-vs-knowbe4-cloud-email-security-formerly-egress) ##### ##### KnowBe4 Cloud Email Security (Formerly Egress) Features Administration Intelligence Reporting Email Integration Suppor Compliance Security Anti-Malware/Anti-Spam Quarantine Advanced Threat Protection (ATP) Maintenance Auditing Allow and block lists Compliance Detection Real-Time Detection [ View More Features ](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/features) ## 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